5-Bromo-2-methyl-4-(trifluoromethyl)pyrimidine CAS 1781830-29-2
| CAS No. | 1781830-29-2 |
| Molecular Formula | C6H4BrF3N2 |
| Molecular Weight | 241.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Bromo-2-methyl-4-(trifluoromethyl)pyrimidine (CAS 1781830-29-2), molecular formula C6H4BrF3N2 and molecular weight 241.01 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, fluorine/bromine substitution, an aromatic ring system, 5-Bromo-2-methyl-4-(trifluoromethyl)pyrimidine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 241.01 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-Bromo-2-methyl-4-(trifluoromethyl)pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H4BrF3N2 |
| Molecular Weight | 241.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 3-Bromo-5-(trifluoromethyl)phenol (CAS 1025718-84-6)
- 4-Bromo-6-methyl-2-(trifluoromethyl)pyrimidine (CAS 1100767-01-8)
- 4-Bromo-2-methyl-6-(trifluoromethyl)pyrimidine (CAS 1100767-02-9)
- 5-Bromo-4-methyl-2-(trifluoromethyl)pyrimidine (CAS 1100767-04-1)
- 5-Bromo-2-(trifluoromethyl)phenol (CAS 1121585-15-6)
- 4-Bromo-6-(trifluoromethyl)pyridin-3-amine (CAS 1196152-12-1)
- 5-Bromo-2-trifluoromethyl-pyridin-3-ylamine (CAS 1211533-18-4)
- 2-Bromo-3-(trifluoromethyl)phenol (CAS 1214323-39-3)
Recommended Standards
- 6-Bromo-5-(trifluoromethyl)pyridin-3-amine (CAS 1642844-33-4)
- 5-Bromo-6-(trifluoromethyl)pyridin-3-amine (CAS 1785539-09-4)
- 4-Bromo-1-(difluoromethoxy)-2-fluorobenzene (CAS 147992-27-6)
- 4-Bromo-2-(difluoromethyl)-5-fluorophenol (CAS 1785597-43-4)
- 2,6-Bis(hydroxymethyl)naphthalene (CAS 5859-93-8)
- 3-Fluoro-6-iodo-2-(trifluoromethyl)pyridine (CAS 1227512-23-3)
- [2-(2-methylpropyl)phenyl]methanamine (CAS 855278-36-3)
- 2-Chloropyrido[3,4-d]pyrimidin-4(3H)-one (CAS 1437435-10-3)
- Niraparib Impurity 15 (CAS CATO-C4X-232915)
- 3-Methyl-4-[(4-methylpentan-2-yl)oxy]aniline (CAS 1094646-62-4)
- N-(4-butylphenyl)-2-((3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040632-67-4)
- N-(4-((2-(3-Ethylphenoxy)ethyl)thio)phenyl)acetamide (CAS 853697-09-3)
- 4-Oxopent-2-Enoic Acid (CAS 4743-82-2)
- Des-[Gly]31-Semaglutide (CAS CATO-C4X-2226156)
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